The M4000i is a compact camera with exceptional features: 16 MP images, 0.7 second trigger speed, 80 FT detection and flash range, invisible flash, HD video recording, and much more! The M4000i features Moultries ILLUMNI-NIGHT sensor for the bright and clear nighttime images. The camera operates on 8 AA batteries for 19,000 pictures. The M4000i is fully compatible with Moultrie Mobiles MV2 and MA2 cellular field modems.